Presentation on theme: "Dr. S. Capaccioli Prof. F. Pegoraro Università di Pisa Scuola di Dottorato Galileo Galilei School of Graduate Studies Applied Physics GALILEIAN SEMINARS:"— Presentation transcript:
Dr. S. Capaccioli Prof. F. Pegoraro Università di Pisa Scuola di Dottorato Galileo Galilei School of Graduate Studies Applied Physics GALILEIAN SEMINARS: "High Pressure Studies of Matter"
An ancestor of pressure experiments: Firenze (1667) Magalotti 1667, Saggi di naturali Esperienze One of the question of Accademia del Cimento: Can the volume of liquids be reduced by an external perturbation? Some experiments about the compression of water Maxim: >
Pressing on: The legacy of Percy W. Bridgman (1882-1962) Paul McMillian, Nat.Mat.2005 1946, Nobel Prize for High Pressure Physics Max Pressure 10 5 bar=10 GPa Equation of state of materials, polymorphism, amorphization Isopropyl alcohol
2011: 65 th anniversary of Nobel Prize to Bridgman Is it high pressure an obsolete subject, ready for retirement? Not at all! In the last decades several improvements: - P up to some Megabar=100-400 GPa - dramatic changes in physical and chemical properties of matter, up to to the formation of new classes of materials.
-Modification of structure and bonding with compression, - pressure-induced phase transitions and polymorphism, - tuning of vibrational dynamics, -new states of electronic and magnetic order, - etc. High pressure Studies of Matter interesting for: Condensed Matter Physics Chemistry Astrophysics Geophysics Ichimura, Phys Rep 1995
Seminars 29/04/2010 - S. Scandolo (ICTP Trieste): Ab-initio simulations of matter at extreme conditions: a window into the centers of planets 14/05/2010 - F. Gorelli (CNR-IPCF, FI): Inelastic X-ray scattering investigation on matter under high pressure 21/05/2010 - M. Santoro (Lens, FI): High pressure physics of simple systems 27/05/2010 - D. Batani (Physics Dept., MI Bicocca): Laser driven shock waves and measurements of equation of state of matter in the multi-megabar pressure range Room 131, building C, Department of Physics
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